Post-WWI $\times$ German Outflow$_{1910-20}$&      -0.014\sym{***}&      -0.007\sym{***}&      -0.001         &       0.001         &      -0.009\sym{***}&       0.003         \\
            &     (0.004)         &     (0.002)         &     (0.002)         &     (0.001)         &     (0.002)         &     (0.002)         \\
\\[-1em] \hline Observations&     640,333         &     640,333         &     640,333         &     640,333         &     640,333         &     640,333         \\
Outcome mean&       3.142         &       3.075         &       0.180         &       0.206         &       0.257         &       0.138         \\
Effect at mean outflow&      -0.005         &      -0.003         &      -0.000         &       0.000         &      -0.003         &       0.001         \\
Adj.\ R$^2$ &       0.284         &       0.316         &       0.125         &       0.260         &       0.215         &       0.191         \\
